Siegen S01000 Welding Helmet Auto Darkening Shade 11 Features: Shade 11 welding helmet Complies to BS EN 379, BS EN 175 and DIN standards Features automatic switching from light to dark on striking arc Fitted with adjustable sensitivity and delay controls for switching light to dark Solar panel power supply - no batteries required Deluxe contoured helmet with fully adjustable headband featuring front pad for added comfort Suitable for MIG, TIG and arc welding Comes With: 1 Year Warranty Specification: Model No: S01000 Shade Active: 11 Shade Inactive: 3 Grinding Function: No Viewing Area: 92 x 41mm Operating Time Light/Dark: 0.3ms Operating Temperature: -10°C to +60°C Power: Solar Cells Weight: 0.495kg